A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.10

Summary:

Nova log files could be made to exhaust storage resources.

Software Description:
- nova: OpenStack Compute cloud infrastructure

Details:

Dan Prince discovered that Nova did not properly perform input validation on
the length of server names. An authenticated attacker could issue requests
using long server names to exhaust the storage resources containing the Nova
API log file.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 11.10:
python-nova 2011.3-0ubuntu6.5

In general, a standard system update will make all the necessary changes.